The Relative Lengths of the Frog and Mouse Branches in the Phylogenetic

question 44

Multiple Choice

The relative lengths of the frog and mouse branches in the phylogenetic tree in the figure given below indicate that

• A) frogs evolved before mice.
• B) mice evolved before frogs.
• C) the genes of frogs and mice have only coincidental homoplasies.
• D) the homolog has evolved more slowly in mice.
• E) the homolog has evolved more rapidly in mice.

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